Finding the Fourth Proportional to 343,295.28, 473,721.36 and 192,363.12
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Solution
The fourth proportional to 343,295.28, 473,721.36 and 192,363.12 is: 265,446.47
Step by Step Solution
- Step 1: Write the proportion equation
343,295.28 : 473,721.36 = 192,363.12 : x - Step 2: Convert to fraction form
343,295.28/473,721.36 = 192,363.12/x - Step 3: Cross multiply
343,295.28x = 473,721.36 × 192,363.12 - Step 4: Simplify right side
343,295.28x = 91,126,518,820.24 - Step 5: Solve for x
x = 91,126,518,820.24/343,295.28 - Step 6: Final answer
x = 265,446.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.